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Types of Transformers banner displaying a variety of different transformers

December 20, 2022

Discover different types of transformers & their applications, including liquid-filled, dry-type, padmount, substation, polemount, and submersible transformers.

How To's

Green liquid filled padmounted transformer roped off for testing

November 15, 2022

Overview of the common tests performed on transformers, including Winding Resistance, Megger, Transformer Turns Ratio, Load-Loss, Leak Tests, and others.

How To's

November 1, 2022

Copper or aluminum transformer windings, which is right for your project? Compare efficiency, cost, weight, strength, and lifespan to find out which winding material makes the most sense for your application.

How To's

Radial feed bushing configuration on padmount transformer

September 28, 2022

A loop feed transformer can handle both radial and loop distribution systems, while a radial feed transformer is almost always used in a radial setup.

How To's

September 14, 2022

When choosing a general purpose low voltage dry type transformer (below 600v), you'll need to consider phase type, kVA rating, and input and output voltage.

How To's

August 9, 2022

Harmonics can be harmful for a transformer's operation. However, they can be mitigated by K-Factor rated transformers, Zigzag transformers, and other options.

How To's

Padmount transformer loaded and ready to be shipped out

May 25, 2022

Maddox makes it easy to purchase the right electrical transformer. See how orders of new, rebuilt, and remanufactured units are processed from start to finish.

How To's

Taking an oil sample from a liquid-filled transformer

April 4, 2022

The Dissolved Gas Analysis test (DGA) has long been the most reliable and accurate method for determining the internal health of oil-filled transformers.

How To's

Maddox transformer tech working on a padmount transformer

February 22, 2022

If your transformer's nearing the end of its life, you have to decide whether to repair it or order a replacement. Learn what factors you should consider.

How To's

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How To's

Types of Transformers

Guide to Transformer Testing Standards

Aluminum vs. Copper Windings in Distribution Transformers

Guide to Radial and Loop Feed Transformers

How to Buy the Right Transformer (600v class)

Guide to Transformer Harmonics and K-Factor

The Life of an Order: What happens after you buy a transformer?

Transformer Oil Dissolved Gas Analysis (DGA) Guide

Should I repair or replace my transformer?